The page title to output. Type: string File core/li

public SiteConfigureForm::submitForm(array &$form

Service provider for the early installer environment. This class is manually added by

The app root. Type: string File core/lib/Drupal/Cor

Provides the profile selection form. Hierarchy class \Drupal\Core\Form\

Manages the router in the installer. Hierarchy class \Drupal\Core\Routing\

public SiteConfigureForm::getFormId()

public SiteConfigureForm::buildForm(array $form, FormStateInterface

public InstallerException::__construct($message